Definition 1: Made from one or more insulated conductors and an outsourced insulating protective layer, transferring power or information from one place to another. Definition 2: Usually a cable similar to a rope made from several or a group of conductors (at least two at each group), insulated from each other and often twisted around a center, with a highly insulated covering of the entire outer bread. The cable has the characteristics of internal power and external insulation. Category: Cable has power cable, control cable, compensating cable, shielded cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mine cable, aluminum alloy cable and so on. They are composed of single or multiple strands of wire and insulating layer, which are used to connect circuits, electrical appliances, etc.